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import Vue from 'vue'
describe('Global config', () => {
it('should warn replacing config object', () => {
const originalConfig = Vue.config
Vue.config = {}
expect(Vue.config).toBe(originalConfig)
expect('Do not replace the Vue.config object').toHaveBeenWarned()
})
describe('silent', () => {
it('should be false by default', () => {
Vue.util.warn('foo')
expect('foo').toHaveBeenWarned()
})
it('should work when set to true', () => {
Vue.config.silent = true
Vue.util.warn('foo')
expect('foo').not.toHaveBeenWarned()
Vue.config.silent = false
})
})
describe('errorHandler', () => {
it('should be called with correct args', () => {
const spy = jasmine.createSpy('errorHandler')
Vue.config.errorHandler = spy
const err = new Error()
const vm = new Vue({
render () { throw err }
}).$mount()
expect(spy).toHaveBeenCalledWith(err, vm)
Vue.config.errorHandler = null
})
it('should capture user watcher callback errors', done => {
const spy = jasmine.createSpy('errorHandler')
Vue.config.errorHandler = spy
const err = new Error()
const vm = new Vue({
data: { a: 1 },
watch: {
a: () => {
throw err
}
}
}).$mount()
vm.a = 2
waitForUpdate(() => {
expect(spy).toHaveBeenCalledWith(err, vm)
Vue.config.errorHandler = null
}).then(done)
})
})
describe('optionMergeStrategies', () => {
it('should allow defining custom option merging strategies', () => {
const spy = jasmine.createSpy('option merging')
Vue.config.optionMergeStrategies.__test__ = (parent, child, vm) => {
spy(parent, child, vm)
return child + 1
}
const Test = Vue.extend({
__test__: 1
})
expect(spy.calls.count()).toBe(1)
expect(spy).toHaveBeenCalledWith(undefined, 1, undefined)
expect(Test.options.__test__).toBe(2)
const test = new Test({
__test__: 2
})
expect(spy.calls.count()).toBe(2)
expect(spy).toHaveBeenCalledWith(2, 2, test)
expect(test.$options.__test__).toBe(3)
})
})
})